Fixed an error that stopped 2 tweens from being able to run on the same object. Also refactored a lot of the classes to remove prototype properties and move them to local instance properties.

src/sound/Sound.js

@@ -3,6 +3,13 @@ Phaser.Sound = function (game, key, volume, loop) {
 	volume = volume || 1;
 	loop = loop || false;
 
+    this.game = game;
+    this.name = '';
+    this.key = key;
+    this.loop = loop;
+    this._volume = volume;
+    this.markers = {};
+
     /**
     * Reference to AudioContext instance.
     */
@@ -15,9 +22,6 @@ Phaser.Sound = function (game, key, volume, loop) {
 
     this._muted = false;
 
-    this.name = '';
-    this.markers = {};
-
     this.autoplay = false;
     this.totalDuration = 0;
     this.startTime = 0;
@@ -30,20 +34,6 @@ Phaser.Sound = function (game, key, volume, loop) {
     this.pendingPlayback = false;
     this.override = false;
 
-    this.onDecoded = null;
-    this.onPlay = null;
-    this.onPause = null;
-    this.onResume = null;
-    this.onLoop = null;
-    this.onStop = null;
-    this.onMute = null;
-    this.onMarkerComplete = null;
-
-    this.game = game;
-    this.key = key;
-    this._volume = volume;
-    this.loop = loop;
-
     this.usingWebAudio = this.game.sound.usingWebAudio;
     this.usingAudioTag = this.game.sound.usingAudioTag;
 

src/sound/SoundManager.js

@@ -7,29 +7,26 @@ Phaser.SoundManager = function (game) {
 	this.game = game;
 
 	this.onSoundDecode = new Phaser.Signal;
+
+    this._muted = false;
+    this._unlockSource = null;
+    this._volume = 1;
+    this._muted = false;
+    this._sounds = [];
+
+    this.context = null;
+    this.usingWebAudio = true;
+    this.usingAudioTag = false;
+    this.noAudio = false;
+
+    this.touchLocked = false;
+
+    this.channels = 32;
 	
 };
 
 Phaser.SoundManager.prototype = {
 
-	game: null,
-
-    _muted: false,
-    _unlockSource: null,
-    _volume: 1,
-    _muted: false,
-    _sounds: [],
-
-    context: null,
-    usingWebAudio: true,
-    usingAudioTag: false,
-    noAudio: false,
-
-    touchLocked: false,
-    onSoundDecode: null,
-
-    channels: 32,
-
     boot: function () {
 
         if (this.game.device.iOS && this.game.device.webAudio == false)